of halo form centred by the fan-shaped tree motif, to the middle a fancy half moon diamond and with baguette cut diamond 'trunk', openwork and with pierced detail, the rounded frame set with two lines of diamonds, squared off at the bottom hinged end, millegrain set with old brilliant, single and transition cut diamonds, mounted in platinum, signed 'TIFFANY & CO' and stamped 'IRID PLAT', approximately 4.50cts of diamonds in all Height 2.7cm / 1 1/16''
Width 2.9cm / 1 1/8'' Weight: 14.5g
Early 20th century single stone sapphire, pearl and diamond pendant by Cartier, Paris c.1910, workshop mark of Henri Picq, together with a diamond set necklace, the pendant set with a round cut Ceylon sapphire 14.65ct,
Diamond and gold bombe style cluster ring by Cartier, Paris, with a central round brilliant cut diamond of approximately 0.70ct, claw set and raised upon a diamond cluster panel of butterfly outline,